<?php declare(strict_types=1);
/**
 * @copyright Copyright (c) 2019 Robin Appelman <robin@icewind.nl>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\DocumentServer\XHRCommand;

use OCA\DocumentServer\Channel\Session;
use OCA\DocumentServer\Document\Lock;
use OCA\DocumentServer\Document\LockStore;
use OCA\DocumentServer\IPC\IIPCChannel;

class LockExpire implements IIdleHandler {
	private $lockStore;

	public function __construct(LockStore $lockStore) {
		$this->lockStore = $lockStore;
	}

	public function handle(Session $session, IIPCChannel $sessionChannel, IIPCChannel $documentChannel, CommandDispatcher $commandDispatcher): void {
		$released = $this->lockStore->expireLocksForDocument($session->getDocumentId());

		if ($released) {
			$locksMessage = json_encode([
				"type" => "releaseLock",
				"locks" => array_map(function(Lock $lock) {
					$data = $lock->jsonSerialize();
					$data['changes'] = null;
					return $data;
				}, $released)
			]);

			$sessionChannel->pushMessage($locksMessage);
			$documentChannel->pushMessage($locksMessage);
		}
	}
}
